X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Fcpms_cpms.ma;h=0e09b27f0835401c3ace850d4ded61fecde069e3;hp=fcd97f3b905b5192dc3c7cc908bfebe0ef7bab2a;hb=f308429a0fde273605a2330efc63268b4ac36c99;hpb=87f57ddc367303c33e19c83cd8989cd561f3185b diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpms_cpms.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpms_cpms.ma index fcd97f3b9..0e09b27f0 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpms_cpms.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpms_cpms.ma @@ -23,9 +23,9 @@ include "basic_2/rt_computation/cprs.ma". (* Basic_2A1: includes: cprs_bind *) theorem cpms_bind (n) (h) (G) (L): - ∀I,V1,T1,T2. ⦃G, L.ⓑ{I}V1⦄ ⊢ T1 ➡*[n, h] T2 → - ∀V2. ⦃G, L⦄ ⊢ V1 ➡*[h] V2 → - ∀p. ⦃G, L⦄ ⊢ ⓑ{p,I}V1.T1 ➡*[n, h] ⓑ{p,I}V2.T2. + ∀I,V1,T1,T2. ⦃G,L.ⓑ{I}V1⦄ ⊢ T1 ➡*[n,h] T2 → + ∀V2. ⦃G,L⦄ ⊢ V1 ➡*[h] V2 → + ∀p. ⦃G,L⦄ ⊢ ⓑ{p,I}V1.T1 ➡*[n,h] ⓑ{p,I}V2.T2. #n #h #G #L #I #V1 #T1 #T2 #HT12 #V2 #H @(cprs_ind_dx … H) -V2 [ /2 width=1 by cpms_bind_dx/ | #V #V2 #_ #HV2 #IH #p >(plus_n_O … n) -HT12 @@ -34,9 +34,9 @@ theorem cpms_bind (n) (h) (G) (L): qed. theorem cpms_appl (n) (h) (G) (L): - ∀T1,T2. ⦃G, L⦄ ⊢ T1 ➡*[n, h] T2 → - ∀V1,V2. ⦃G, L⦄ ⊢ V1 ➡*[h] V2 → - ⦃G, L⦄ ⊢ ⓐV1.T1 ➡*[n, h] ⓐV2.T2. + ∀T1,T2. ⦃G,L⦄ ⊢ T1 ➡*[n,h] T2 → + ∀V1,V2. ⦃G,L⦄ ⊢ V1 ➡*[h] V2 → + ⦃G,L⦄ ⊢ ⓐV1.T1 ➡*[n,h] ⓐV2.T2. #n #h #G #L #T1 #T2 #HT12 #V1 #V2 #H @(cprs_ind_dx … H) -V2 [ /2 width=1 by cpms_appl_dx/ | #V #V2 #_ #HV2 #IH >(plus_n_O … n) -HT12 @@ -46,10 +46,10 @@ qed. (* Basic_2A1: includes: cprs_beta_rc *) theorem cpms_beta_rc (n) (h) (G) (L): - ∀V1,V2. ⦃G, L⦄ ⊢ V1 ➡[h] V2 → - ∀W1,T1,T2. ⦃G, L.ⓛW1⦄ ⊢ T1 ➡*[n, h] T2 → - ∀W2. ⦃G, L⦄ ⊢ W1 ➡*[h] W2 → - ∀p. ⦃G, L⦄ ⊢ ⓐV1.ⓛ{p}W1.T1 ➡*[n, h] ⓓ{p}ⓝW2.V2.T2. + ∀V1,V2. ⦃G,L⦄ ⊢ V1 ➡[h] V2 → + ∀W1,T1,T2. ⦃G,L.ⓛW1⦄ ⊢ T1 ➡*[n,h] T2 → + ∀W2. ⦃G,L⦄ ⊢ W1 ➡*[h] W2 → + ∀p. ⦃G,L⦄ ⊢ ⓐV1.ⓛ{p}W1.T1 ➡*[n,h] ⓓ{p}ⓝW2.V2.T2. #n #h #G #L #V1 #V2 #HV12 #W1 #T1 #T2 #HT12 #W2 #H @(cprs_ind_dx … H) -W2 [ /2 width=1 by cpms_beta_dx/ | #W #W2 #_ #HW2 #IH #p >(plus_n_O … n) -HT12 @@ -59,10 +59,10 @@ qed. (* Basic_2A1: includes: cprs_beta *) theorem cpms_beta (n) (h) (G) (L): - ∀W1,T1,T2. ⦃G, L.ⓛW1⦄ ⊢ T1 ➡*[n, h] T2 → - ∀W2. ⦃G, L⦄ ⊢ W1 ➡*[h] W2 → - ∀V1,V2. ⦃G, L⦄ ⊢ V1 ➡*[h] V2 → - ∀p. ⦃G, L⦄ ⊢ ⓐV1.ⓛ{p}W1.T1 ➡*[n, h] ⓓ{p}ⓝW2.V2.T2. + ∀W1,T1,T2. ⦃G,L.ⓛW1⦄ ⊢ T1 ➡*[n,h] T2 → + ∀W2. ⦃G,L⦄ ⊢ W1 ➡*[h] W2 → + ∀V1,V2. ⦃G,L⦄ ⊢ V1 ➡*[h] V2 → + ∀p. ⦃G,L⦄ ⊢ ⓐV1.ⓛ{p}W1.T1 ➡*[n,h] ⓓ{p}ⓝW2.V2.T2. #n #h #G #L #W1 #T1 #T2 #HT12 #W2 #HW12 #V1 #V2 #H @(cprs_ind_dx … H) -V2 [ /2 width=1 by cpms_beta_rc/ | #V #V2 #_ #HV2 #IH #p >(plus_n_O … n) -HT12 @@ -72,10 +72,10 @@ qed. (* Basic_2A1: includes: cprs_theta_rc *) theorem cpms_theta_rc (n) (h) (G) (L): - ∀V1,V. ⦃G, L⦄ ⊢ V1 ➡[h] V → ∀V2. ⬆*[1] V ≘ V2 → - ∀W1,T1,T2. ⦃G, L.ⓓW1⦄ ⊢ T1 ➡*[n, h] T2 → - ∀W2. ⦃G, L⦄ ⊢ W1 ➡*[h] W2 → - ∀p. ⦃G, L⦄ ⊢ ⓐV1.ⓓ{p}W1.T1 ➡*[n, h] ⓓ{p}W2.ⓐV2.T2. + ∀V1,V. ⦃G,L⦄ ⊢ V1 ➡[h] V → ∀V2. ⬆*[1] V ≘ V2 → + ∀W1,T1,T2. ⦃G,L.ⓓW1⦄ ⊢ T1 ➡*[n,h] T2 → + ∀W2. ⦃G,L⦄ ⊢ W1 ➡*[h] W2 → + ∀p. ⦃G,L⦄ ⊢ ⓐV1.ⓓ{p}W1.T1 ➡*[n,h] ⓓ{p}W2.ⓐV2.T2. #n #h #G #L #V1 #V #HV1 #V2 #HV2 #W1 #T1 #T2 #HT12 #W2 #H @(cprs_ind_dx … H) -W2 [ /2 width=3 by cpms_theta_dx/ | #W #W2 #_ #HW2 #IH #p >(plus_n_O … n) -HT12 @@ -85,10 +85,10 @@ qed. (* Basic_2A1: includes: cprs_theta *) theorem cpms_theta (n) (h) (G) (L): - ∀V,V2. ⬆*[1] V ≘ V2 → ∀W1,W2. ⦃G, L⦄ ⊢ W1 ➡*[h] W2 → - ∀T1,T2. ⦃G, L.ⓓW1⦄ ⊢ T1 ➡*[n, h] T2 → - ∀V1. ⦃G, L⦄ ⊢ V1 ➡*[h] V → - ∀p. ⦃G, L⦄ ⊢ ⓐV1.ⓓ{p}W1.T1 ➡*[n, h] ⓓ{p}W2.ⓐV2.T2. + ∀V,V2. ⬆*[1] V ≘ V2 → ∀W1,W2. ⦃G,L⦄ ⊢ W1 ➡*[h] W2 → + ∀T1,T2. ⦃G,L.ⓓW1⦄ ⊢ T1 ➡*[n,h] T2 → + ∀V1. ⦃G,L⦄ ⊢ V1 ➡*[h] V → + ∀p. ⦃G,L⦄ ⊢ ⓐV1.ⓓ{p}W1.T1 ➡*[n,h] ⓓ{p}W2.ⓐV2.T2. #n #h #G #L #V #V2 #HV2 #W1 #W2 #HW12 #T1 #T2 #HT12 #V1 #H @(cprs_ind_sn … H) -V1 [ /2 width=3 by cpms_theta_rc/ | #V1 #V0 #HV10 #_ #IH #p >(plus_O_n … n) -HT12 @@ -98,30 +98,30 @@ qed. (* Basic_2A1: uses: lstas_scpds_trans scpds_strap2 *) theorem cpms_trans (h) (G) (L): - ∀n1,T1,T. ⦃G, L⦄ ⊢ T1 ➡*[n1, h] T → - ∀n2,T2. ⦃G, L⦄ ⊢ T ➡*[n2, h] T2 → ⦃G, L⦄ ⊢ T1 ➡*[n1+n2, h] T2. + ∀n1,T1,T. ⦃G,L⦄ ⊢ T1 ➡*[n1,h] T → + ∀n2,T2. ⦃G,L⦄ ⊢ T ➡*[n2,h] T2 → ⦃G,L⦄ ⊢ T1 ➡*[n1+n2,h] T2. /2 width=3 by ltc_trans/ qed-. (* Basic_2A1: uses: scpds_cprs_trans *) theorem cpms_cprs_trans (n) (h) (G) (L): - ∀T1,T. ⦃G, L⦄ ⊢ T1 ➡*[n, h] T → - ∀T2. ⦃G, L⦄ ⊢ T ➡*[h] T2 → ⦃G, L⦄ ⊢ T1 ➡*[n, h] T2. + ∀T1,T. ⦃G,L⦄ ⊢ T1 ➡*[n,h] T → + ∀T2. ⦃G,L⦄ ⊢ T ➡*[h] T2 → ⦃G,L⦄ ⊢ T1 ➡*[n,h] T2. #n #h #G #L #T1 #T #HT1 #T2 #HT2 >(plus_n_O … n) /2 width=3 by cpms_trans/ qed-. (* Advanced inversion lemmas ************************************************) lemma cpms_inv_appl_sn (n) (h) (G) (L): - ∀V1,T1,X2. ⦃G, L⦄ ⊢ ⓐV1.T1 ➡*[n, h] X2 → + ∀V1,T1,X2. ⦃G,L⦄ ⊢ ⓐV1.T1 ➡*[n,h] X2 → ∨∨ ∃∃V2,T2. - ⦃G, L⦄ ⊢ V1 ➡*[h] V2 & ⦃G, L⦄ ⊢ T1 ➡*[n, h] T2 & + ⦃G,L⦄ ⊢ V1 ➡*[h] V2 & ⦃G,L⦄ ⊢ T1 ➡*[n,h] T2 & X2 = ⓐV2.T2 | ∃∃n1,n2,p,W,T. - ⦃G, L⦄ ⊢ T1 ➡*[n1, h] ⓛ{p}W.T & ⦃G, L⦄ ⊢ ⓓ{p}ⓝW.V1.T ➡*[n2, h] X2 & + ⦃G,L⦄ ⊢ T1 ➡*[n1,h] ⓛ{p}W.T & ⦃G,L⦄ ⊢ ⓓ{p}ⓝW.V1.T ➡*[n2,h] X2 & n1 + n2 = n | ∃∃n1,n2,p,V0,V2,V,T. - ⦃G, L⦄ ⊢ V1 ➡*[h] V0 & ⬆*[1] V0 ≘ V2 & - ⦃G, L⦄ ⊢ T1 ➡*[n1, h] ⓓ{p}V.T & ⦃G, L⦄ ⊢ ⓓ{p}V.ⓐV2.T ➡*[n2, h] X2 & + ⦃G,L⦄ ⊢ V1 ➡*[h] V0 & ⬆*[1] V0 ≘ V2 & + ⦃G,L⦄ ⊢ T1 ➡*[n1,h] ⓓ{p}V.T & ⦃G,L⦄ ⊢ ⓓ{p}V.ⓐV2.T ➡*[n2,h] X2 & n1 + n2 = n. #n #h #G #L #V1 #T1 #U2 #H @(cpms_ind_dx … H) -U2 /3 width=5 by or3_intro0, ex3_2_intro/ @@ -145,8 +145,8 @@ lemma cpms_inv_appl_sn (n) (h) (G) (L): ] qed-. -lemma cpms_inv_plus (h) (G) (L): ∀n1,n2,T1,T2. ⦃G, L⦄ ⊢ T1 ➡*[n1+n2, h] T2 → - ∃∃T. ⦃G, L⦄ ⊢ T1 ➡*[n1, h] T & ⦃G, L⦄ ⊢ T ➡*[n2, h] T2. +lemma cpms_inv_plus (h) (G) (L): ∀n1,n2,T1,T2. ⦃G,L⦄ ⊢ T1 ➡*[n1+n2,h] T2 → + ∃∃T. ⦃G,L⦄ ⊢ T1 ➡*[n1,h] T & ⦃G,L⦄ ⊢ T ➡*[n2,h] T2. #h #G #L #n1 elim n1 -n1 /2 width=3 by ex2_intro/ #n1 #IH #n2 #T1 #T2